The Lancet
Tirzepatide once weekly for the treatment of obesity (SURMOUNT-1)
2022·PMID: 35658024
Jastreboff AM et al.

Metabolic Research Compound
High-purity Tirzepatide peptide for research.
Vial Size
From
$45.00
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Research use only
Technical specifications
Dual GIP/GLP-1 receptor agonist studied for metabolic-pathway modulation and weight regulation research.
Lyophilized (powder)
-20°C·up to 2 years
After opening
2-8°C·use within 30 days
Tirzepatide is a single peptide with balanced agonism at the GIP and GLP-1 receptors. Co-activation produces additive effects on glucose-dependent insulinotropic activity, glucagon suppression, gastric-emptying delay, and central satiety signaling.
Glycemic control in type-2 diabetes models
Body-mass reduction (SURMOUNT program)
Cardiovascular risk markers
Hepatic steatosis (MASH) research
Purity
≥ 99% by independent third-party HPLC. Endotoxin tested.
Half-Life
~5 days
Solubility
Freely soluble in aqueous diluents
Peer-reviewed research
The Lancet
2022·PMID: 35658024
Jastreboff AM et al.
New England Journal of Medicine
2021·PMID: 34170647
Frías JP et al.
About this compound
Tirzepatide is a synthetic peptide studied as a dual receptor agonist, acting on both the GIP and GLP-1 receptors. Its dual-receptor profile places it between single agonists and triple agonists in comparative incretin research. PX-Labs supplies Tirzepatide as a lyophilized powder for laboratory research use only.
Incretin-class research peptides are categorized by how many receptors they target. Tirzepatide is studied as a dual GIP/GLP-1 agonist, adding GIP-receptor activity to the GLP-1 activity seen in single agonists such as semaglutide, while triple agonists such as retatrutide add glucagon-receptor activity on top. Researchers comparing receptor activity across the class frequently group these three together.
In its lyophilized form, Tirzepatide is generally stored refrigerated and protected from light and moisture, with freezer storage common for longer-term holding. Standard laboratory handling practices apply.
Every batch is tested to a minimum of 98% purity by high-performance liquid chromatography, with analysis performed by an independent laboratory so results remain impartial. A Certificate of Analysis reporting identity, purity, and method is available on request.
Tirzepatide is sold strictly for laboratory and scientific research. It is not intended for human or veterinary use, and PX-Labs is a research chemical supplier, not a compounding pharmacy. PX-Labs does not provide usage or application guidance.